TECHNICAL SPECIFICATION. PROTOCOL – GPP. SPECIFICATIONS OF GATEWAY POS PROTOCOL.

PRT - GPP

001 - V3

14/08/2008

I INTRODUCTION

1. OBJECT

This document describes the XPI adaptation of the protocol ISO8583 for the interface with the POS. It should be used by the POS application developers in order to interface with Card24™.

1.a. TERMINOLOGY

1.b. References

II Functioning Principles

1. Technology

2. Multi.currency

3. Multi.language

4. Reversal management

5. Reversal management after uploading

6. Limits management

7. BIN management

7.a. Local BINs

8. Management of validity dates

9. Management of cards capture discharges

10. Management of parameters

11. End-Of-Day

12. Date management

13. Business date management

14. Stop list management

14.a. Stop listed card

14.b. Differential lists

14.c. Management of PIN and Key

15. Manual transaction

16. Management of Software version

17. Management of application removal

18. Management of printer troubleshooting or reel absence

19. Management of validation key

20. Entry of the last 4 digits of the card

21. Management of duplicate transactions

22. Forced authorizations

23. Advice management

24. Plates

24.a. Encoding

24.b. Embossing

25. Duplicate receipt management

26. Management of domiciliation accounts

27. Financial transaction – client copy

28. Financial transaction – merchant copy

29. Financial transaction – client copy(duplicate)

30. Financial transaction – merchant copy(duplicate)

31. Reversal transaction – client copy

32. Reversal transaction – merchant copy

33. End-Of-Day

34. User interface

34.a. Domiciliation account change

34.b. End-Of-Day processing

34.c. Transaction manual entry

34.d. Entry of transaction elements further to 'Referral'

34.e. Reversal manual entry

34.f. PIN entry

35. Cluster Mode

35.a. Supermarket cluster type

35.b. Hotel cluster type

36. Pre.authorization management

III Application protocol

1. Structure and content of messages

1.a. Protocol Identification

1.b. Card24 Header

1.c. Message type

1.d. Bitmaps

1.e. Data Elements

1.f. Fields description

IV Messages description

1. Transaction supported

2. Pre.authorization request

3. Purchase and Cash transaction request

4. Purchase and Refund transaction advice

5. File management request

6. Reversal advice

7. Reconciliation advice

8. Reconciliation request

V Appendix A : Response codes